Home / 74,562.10-102,933.78-57,528.07

Finding the Fourth Proportional to 74,562.10, 102,933.78 and 57,528.07

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Solution

The fourth proportional to 74,562.10, 102,933.78 and 57,528.07 is: 79,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,562.10 : 102,933.78 = 57,528.07 : x
  2. Step 2: Convert to fraction form
    74,562.10/102,933.78 = 57,528.07/x
  3. Step 3: Cross multiply
    74,562.10x = 102,933.78 × 57,528.07
  4. Step 4: Simplify right side
    74,562.10x = 5,921,581,701.20
  5. Step 5: Solve for x
    x = 5,921,581,701.20/74,562.10
  6. Step 6: Final answer
    x = 79,418.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.